.img-box {
    width: 100%;
    margin: 10px auto;
    position: relative;
    background: #5d5151;
    text-align: center;
}

.img-box img {
    vertical-align: middle;
    border: 0;
}

.img-box a {
    width: 76px;
    height: 112px;
    position: absolute;
    top: 110px;
    font-size: 20px;
    text-decoration: none;
    line-height: 76px;
    text-align: center;
    color: #fff;
    opacity: 0.6;
    cursor: pointer;
}

#prev {
    left: 0;
}

#next {
    right: 0;
}

.img-box a:hover {
    opacity: 1;
}

#img {
    width: 100%;
}

#square {
    width: 120px;
    margin: 10px auto;
    display: none;
}

#square li {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #928c8c;
    float: left;
    margin-left: 10px;
    position: relative;
}

#square .active {
    background: #ffc107;
}

#square img {
    width: 100px;
    position: absolute;
    border: 5px solid #fff;
    bottom: 30px;
    left: -45px;
    display: none;
}